230145523 has 2 divisors, whose sum is σ = 230145524. Its totient is φ = 230145522.

The previous prime is 230145493. The next prime is 230145583. The reversal of 230145523 is 325541032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230145523 - 2²⁵ = 196591091 is a prime.

It is not a weakly prime, because it can be changed into another prime (230145583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115072761 + 115072762.

It is an arithmetic number, because the mean of its divisors is an integer number (115072762).

Almost surely, 2^230145523 is an apocalyptic number.

230145523 is a deficient number, since it is larger than the sum of its proper divisors (1).

230145523 is an equidigital number, since it uses as much as digits as its factorization.

230145523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 230145523 is about 15170.5478806799. The cubic root of 230145523 is about 612.8217589182.

Adding to 230145523 its reverse (325541032), we get a palindrome (555686555).

The spelling of 230145523 in words is "two hundred thirty million, one hundred forty-five thousand, five hundred twenty-three".